1) Hough transform
Hough 变换
1.
Firstly,because of iris s circular features,the advanced circular Hough transform is employed to deduce the radius and center coordinates of iris boundaries.
首先采用圆 Hough 变换结合曲线段长度检测法提取虹膜的外边界,提高了对颗粒噪声的抵御能力;然后在虹膜外边缘内部使用阈值法提取内边界;最后,分别用几何方法和阈值法去眼睑和眼睫毛、反光点等干扰信息。
2.
This paper presents a parallel Hough transform algorithm on hypercube architec- ures.
给出了一个在超立方体 SIMD 计算结构上的 Hough 变换并行算法。
3.
The method takes several steps related with dynamic bearing time history display:distinguished beating point recognition,distinguished bearing point based Hough transform,Hough space accumulation .
通过对动态方位历程图数据进行亮点提取、亮点的 Hough 变换、变换空间累加信息矩阵的峰值点提取和目标方位计算几个步骤的处理,实现了多目标的轨迹和 Hough 变换空间累加信息矩阵峰值的映射,从而获得跟踪多目标的起始方位。
2) Hough Transformation
Hough 变换
1.
A new method to detect the lane markings is proposed,which detects the lane markings with Hough Transformation,then rebuilds the model of the lane plane in the 3D world space from the image plane in the 2D image space basing on the inverse perspective mapping(IPM)model,and finally obtains the parameter equations of both left and right lane markings.
本文提出了一种新的车道标志线检测方法,该方法使用 Hough 变换在图象中分别检测车道的左右标志线, 然后依据逆透视变换模型从车道线图象平面重建出世界坐标系下的车道平面模型,进一步得到左右车道标志线的参数方程。
3) Hough transform
Hough变换
1.
Computing Road Line Type Parameters with Hough Transform and Robust Estimation;
利用Hough变换和稳健估计计算道路线形参数
2.
Exterior parameter estimation for aerial camera based on Hough transform;
应用Hough变换的炮射航空摄像机外参数估计方法
3.
Application study of Hough Transform when image array straight line is extracted and mating;
图像序列直线提取和匹配时Hough变换的应用研究
5) Hough transformation
Hough变换
1.
Extraction of symbol line-features based on improved Hough transformation;
基于改进Hough变换的符号线段特征提取
2.
Semi-automated extraction from aerial image using improved Hough transformation;
基于Hough变换的航空影像建筑物半自动提取
3.
Real-time HOUGH transformation detection for dynamic line edge and its application in the flow measurement;
动态线边缘实时HOUGH变换检测及其在测流中的应用
6) Hough-Ambiguity transformation
Hough-Ambiguity变换
1.
In this paper, the problem of radial acceleration estimation in one pulse was dealt with based on Hough-Ambiguity transformation, and then acceleration was estimated.
根据雷达发射恒定载频信号时匀加速目标的回波为线性调频(LFM)信号的特点,研究了在单脉冲内基于Hough-Ambiguity变换(HAT)估计目标径向加速度的问题。
补充资料：Radon变换和逆Radon变换
Radon变换和逆Radon变换
X线物理学术语。CT重建图像成像的主要理论依据之一。1917年澳大利亚数学家Radon首先论证了通过物体某一平面的投影重建物体该平面两维空间分布的公式。他的公式要求获得沿该平面所有可能的直线的全部投影(无限集合)。所获得的投影集称为Radon变换。由Radon变换进行重建图像的操作则称为逆Radon变换。Radon变换和逆Radon变换对CT成像的意义在于，它从数学原理上证实了通过物体某一断层层面“沿直线衰减分布的投影”重建该层面单位体积，即体素的线性衰减系数两维空间分布的可能性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条